Registration for the 2025 Tri-Shark Classic opens November 1, 2024.

Mark your calendar for this time if you would like to register. Early-bird registration spots will be extremely limited and we expect to go very quickly.  We will also post to the Tri-Shark Classic facebook page opening day for registration for the 2025 Tri-Shark Classic.  Registration closes June 5th, 2025 at noon.

The 2025 Tri-Shark Classic PUPS Beginner Triathlon Program


The PUPS program is the Official Training Program for the Tri-Shark Classic Triathlon and Duathlon. We offer a 12-week training program (2 ability levels) designed to prepare you to complete either the Tri-Shark Triathlon or Duathlon held on June 7, 2025. The Tri-Shark Triathlon is a sprint triathlon featuring a 600 yard swim, 13 mile bike and 3.1 mile run. The Duathlon features a 2 mile run, 13 mile bike and 3.1 mile run. The race is held at Comlara County Park, Hudson, IL. This program is designed for those who want to do their first triathlon/duathlon or are beginners and want to do better. This program does not cater to advanced athletes. The Pups program is based at Illinois Wesleyan University.  Meetings are held on Tuesdays at 6 PM – 7:30 PM.
Information Meeting:
February 18, 2025, 6pm – IWU, Shirk Center South Classroom
Program Start: March 11, 2025, 6pm – IWU, Shirk Center South Classroom
Program fee: $120 (does not include triathlon registration)


To register for Pups, select the “Tri_Shark Classic PUPS Beginning Triathlon & Duathlon Program”
option during Tri-Shark Classic registration

Already registered for Tri-Shark Classic and want to do the PUPS Program, register here: OPENS NOV. 1 Click here for PUPs Program ONLY registration

Contact Us With Questions about PUPS!

NOTE: This event is sanctioned by USA Triathlon. Per USAT rules, age is calculated as of 12/31/2025.

Tri-Shark Classic Youth Splash & Dash!!!

This event is a USA Triathlon Splash & Dash Youth Aquathlon Series Event.  The USA Triathlon Splash & Dash Youth Aquathlon Series is open to athletes ages 7-15. The focus is on PARTICIPATION rather than competition. There will be no timing at this event, we are focusing on participation.

Contact Us With Questions about Splash & Dash!

Register Here!

NOTE: This event is sanctioned by USA Triathlon. Per USAT rules, age is calculated as of 12/31/2025.